SB9

Working Notes:

Use clear polycarb sheets on interior of glass bricks to create 3.5" air gap or about R-value 3.6 per inch plus 2 for glass brick or about r-14. Assuming a loss of efficiency that still puts us well under .3U (aprox .07 U)

Create a dutch door type of in combo with a custom window for upstairs egress/large furniture entry (28x80). Custom upper window constructed with 2x4 notched toward front and back to create 3" airgap. 3 sides secured permanantly fourth side screwed in place to allow removal and insertion of glass .Aprox R 12 or (U .085)